PCA-DTT 2D-DHCES based attack resilient imperceptible image watermarking.
Ahmed KhanPublished in: Multim. Tools Appl. (2021)
Keyphrases
- image watermarking
- jpeg compression
- digital watermark
- copyright protection
- watermarking algorithm
- principal component analysis
- watermarking technique
- watermarking scheme
- digital images
- spread spectrum
- digital watermarking
- watermark detection
- feature extraction
- face recognition
- data hiding
- speech recognition
- geometric distortions
- additive noise
- watermarked image
- dimensionality reduction
- discrete wavelet transform
- gaussian noise
- dct coefficients
- face images
- peak signal to noise ratio
- multimedia content
- feature space
- signal processing
- multimedia data